Resolv: Replace BSD types with regular C99 types

Replace BSD types (u_long, u_int, u_char) with regular C99 types

Bug: 140910031
Test: built, flashed, booted
Test: atest
Change-Id: I88829906f8e5be89ef3d5b222ebd4e4091a41b57
diff --git a/res_debug.h b/res_debug.h
index cb47b90..a0cc6ae 100644
--- a/res_debug.h
+++ b/res_debug.h
@@ -16,10 +16,10 @@
 
 #pragma once
 
-#include <sys/types.h>
+#include <stdint.h>
 
 // TODO: use netdutils::Slice for (msg, len).
-void res_pquery(const u_char* msg, int len);
+void res_pquery(const uint8_t* msg, int len);
 
 // Thread-unsafe functions returning pointers to static buffers :-(
 // TODO: switch all res_debug to std::string